Factor Completely: 3x^2 + 21x + 36
A) 3(x + 3)(x + 4)
B) (x + 4)(3x + 9)
C) (x + 9)(3x + 4)
D) (x + 3)(3x + 12)

Evaluate cos2θ for cosθ = square root of 3/2

Identify one charcteristic of exponential growth

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?